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Winners list:
 szebi   247 seconds 
 zsolt  144 seconds 
 Name  151 seconds 
 Имя  192 seconds 
 Діана Макарова  763 seconds 
 Tehawanka  151 seconds 
 Holm  279 seconds 

Test: 3 digit addition with regrouping

1)
419
350
+ 89

2)
665
225
+ 73

3)
895
806
+329

4)
868
702
+129

5)
560
349
+ 78

6)
797
271
+ 38

Well:Wrong:Mistakes:

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